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发明名称
Building structure
摘要
申请公布号
US2053873(A)
申请公布日期
1936.09.08
申请号
US19340731270
申请日期
1934.06.19
申请人
NIEDERHOFER EUGENE L
发明人
NIEDERHOFER EUGENE L.
分类号
E04B1/04
主分类号
E04B1/04
代理机构
代理人
主权项
地址
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